CalculatorProject.Calculator.DigitButton_Click C# (CSharp) Метод

        public void DigitButton_Click(object sender, RoutedEventArgs e)
        {
            this.Focus();

            Button button = sender as Button;
            if (button != null && button.Tag is int)
            {
                OnDigitButtonPressed((int)button.Tag);
            }
        }